OKAPI is since a few weeks at
opencaching.de enabled.
It is possible to get a consumer_key at
http://www.opencaching.de/okapi/signup.htmlIt is possible to get a UUID at
http://www.opencaching.de/okapi/services/users/by_username?username=<Username>&fields=uuid&consumer_key=<consumer_key>
It is possible to get a GPX-File at
http://www.opencaching.de/okapi/services/caches/shortcuts/search_and_retrieve?search_method=services/caches/search/nearest&search_params={"center":"52.866667|7.316667","not_found_by":"<UUID>","limit":"500"}&retr_method=services/caches/formatters/gpx&retr_params={"langpref":"de","ns_ox":"true","images":"descrefs:thumblinks","attrs":"desc:text","latest_logs":"true","ns_ground":"true","alt_wpts":"true","ns_gsak":"true"}&wrap=false&consumer_key=<consumer_key>
It is possible to get a GPX-File with Spoilers at
http://www.opencaching.de/okapi/services/caches/shortcuts/search_and_retrieve?search_method=services/caches/search/nearest&search_params={"center":"52.866667|7.316667","not_found_by":"<UUID>","limit":"50"}&retr_method=services/caches/formatters/garmin&retr_params={"images":"all"}&wrap=false&consumer_key=<consumer_key>
BTW: I have replaced some personal values with <consumer_key>, <Username> and <UUID>.
best regards
Jürgen